Definition of node (2024)

(1) See Node.js.

(2) A device connected to a network. Every terminal, computer, hub, switch and router is a node. In a blockchain network, every validating computer, miner computer or specialized miner hardware is a node. However, miners are sometimes contrasted with nodes; for example, "nodes and miners" means validating nodes and miner nodes. See host, hub, switch, router, terminal and crypto glossary.

(3) In database management, a node is an item of data that can be accessed by two or more routes. See DBMS.

(4) In the Document Object Model (DOM), which exposes HTML and XML content to an application or script, every element, every attribute of that element, and each piece of textual content for every attribute is considered a node. See DOM.

(5) In computer graphics, a node is an endpoint of a graphical element. See graphics.

(6) In multiprocessing systems, a node can be a single processor or system. In MPP (massively parallel processing), a node is one processor. In SMP (symmetric multiprocessing), a node is one computer system with two or more processors and shared memory. See SMP and MPP.

Definition of node (1)The First Four Nodes of the InternetScrawled on this paper in 1969 were the first four nodes of the ARPANET network, which later became the Internet. The four computers were the IBM System/360, the 940 and Sigma 7 from Scientific Data Systems (SDS) and Digital Equipment's PDP 10. (Image courtesy of The Computer History Museum.)

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Definition of node (3)

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Definition of node (2024)

FAQs

What do you mean by node? ›

A node is a basic unit of a data structure, such as a linked list or tree data structure. Nodes contain data and also may link to other nodes. Links between nodes are often implemented by pointers.

What is the literal meaning of node? ›

Node: Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid tissue. A nodule is a small node, a little collection of tissue.

What are nodes in technology? ›

A network node is a connection point in a communications network. Each node is an endpoint for data transmissions or redistribution. Nodes have either a programmed or engineered capability to recognize, process and forward transmissions to other network nodes.

What is a node with example? ›

A computer on a network is an example of a node. More specifically, a computer's Network Interface Card (NIC) is a node. The NIC is the connection point of a device, in this case a computer, to a network.

What is the same meaning of node? ›

bulge bump burl clot growth knob knot lump nodule protuberance swelling.

What describes a node? ›

A node is a point of intersection/connection within a data communication network. In an environment where all devices are accessible through the network, these devices are all considered nodes.

What is a node in layman's terms? ›

In layman's terms, a node can be a computer, router, switch, or any other device that sends or receives data over a network. Each node on a network has a unique address, known as an IP address. This unique address (IP address) allows you to identify and communicate with that node.

What does a node represent? ›

A node represents a branching point from the ancestral population. Terminals occur at the topmost part of each branch, and they are labeled by the taxa of the population represented by that branch.

What is the scientific definition of a node? ›

Physics. A point or region of a vibrating or oscillating system, such as the standing wave of a vibrating guitar string, at which the amplitude of the vibration or oscillation is zero.

What is a node in business? ›

In logistics and supply chain management, a node refers to a point or location within a network, such as a warehouse, distribution center, transportation hub, or production facility, where goods, information, or services are received, processed, stored, or transferred as they move through the supply chain.

What is a node in physics? ›

A node is a point along a standing wave where the wave has minimum amplitude. For instance, in a vibrating guitar string, the ends of the string are nodes.

What are the three main categories of nodes? ›

In this work, it classifies the node into three categories: they are normal node, intermediate node and advanced node that has been depicted in the following " Fig 2".

What is node in easy words? ›

A node is a point of connection. Technically, a traffic intersection is a node since multiple roads connect at that point. Another type of node is a round swelling. Some are abnormal, like a node you discover on your knee, but others, such as a lymph node, are a normal part of your immune system.

What is the purpose of a node? ›

Node allows developers to write JavaScript code that runs directly in a computer process itself instead of in a browser. Node can, therefore, be used to write server-side applications with access to the operating system, file system, and everything else required to build fully-functional applications.

What is a node in social media? ›

Generally in social network analysis, the nodes are people and the links are any social connection between them – for example, friendship, marital/family ties, or financial ties.

What are nodes in the body? ›

Your lymph nodes (or lymph glands) are small lumps of tissue that contain white blood cells, which fight infection. They are part of your body's immune system. They filter your lymph fluid, which is composed of fluid and waste products created by the body's tissues.

What node name means? ›

The name given to a signal in a design file. A node name can contain an unlimited amount of the following name characters: A to Z , a to z , 0 to 9 , slash ( / ), dash ( - ), and underscore ( _ ).

What is the use of node? ›

What Can Node.js Do?
  • Node.js can generate dynamic page content.
  • Node.js can create, open, read, write, delete, and close files on the server.
  • Node.js can collect form data.
  • Node.js can add, delete, modify data in your database.

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